CN111946627B - Centrifugal water pump - Google Patents
Centrifugal water pump Download PDFInfo
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- CN111946627B CN111946627B CN202010890524.8A CN202010890524A CN111946627B CN 111946627 B CN111946627 B CN 111946627B CN 202010890524 A CN202010890524 A CN 202010890524A CN 111946627 B CN111946627 B CN 111946627B
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- shaft
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- pump assembly
- fluted disc
- water pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/043—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump being hand operated or of the reciprocating type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a centrifugal water pump, which comprises a double-output-shaft motor, a water pump assembly arranged on the left side of the double-output-shaft motor and a water filling pump assembly arranged on the right side of the double-output-shaft motor, wherein the water filling pump assembly is used for filling water into a liquid outlet pipe of the water pump assembly before the water pump assembly is started; a left coupling assembly is arranged between a left rotating shaft of the water pump assembly and a left shaft of the double-output-shaft motor, a right coupling assembly is arranged between a right rotating shaft of the irrigation pump assembly and a right shaft of the double-output-shaft motor, the left coupling assembly drives the water pump assembly to work through the left rotating shaft when the double-output-shaft motor rotates in the forward direction, the right coupling assembly does not drive the irrigation pump assembly to work, the left coupling assembly does not drive the water pump assembly to work when the double-output-shaft motor rotates in the reverse direction, and the right coupling assembly drives the irrigation pump assembly to work through the right rotating shaft; the centrifugal water pump is simple in structure and can automatically perform pump filling.
Description
Technical Field
The invention belongs to the technical field of centrifugal pumps, and particularly relates to a centrifugal water pump.
Background
Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. The water pump must make pump body inner chamber and absorb water and be filled with water in the pipe before starting, then starter motor makes the pump shaft drive impeller and water and is high-speed rotary motion, and water takes place centrifugal motion, is got rid of to the impeller outer fringe, the pipeline of pressing water that flows into the water pump through pump body internal flow way, and its shortcoming lies in: because most water pumps are before starting, the pump body inner chamber does not fill with water, if starting motor drive impeller rotatory this moment, can't make the pump body inner chamber produce the vacuum, can't make the water that absorbs in the water pipe promptly be inhaled the pump body inner chamber to discharge via the runner in the pump body, consequently need before starting motor, the manual work fills the pump body inner chamber with water, commonly known as "pump priming", have use loaded down with trivial details, with high costs, influence efficiency, influence safe technical defect.
Disclosure of Invention
The invention aims to provide a centrifugal water pump which is simple in structure and can automatically perform pump filling.
In order to achieve the purpose, the invention provides the following technical scheme:
a centrifugal water pump comprises a double-output-shaft motor, a water pump assembly arranged on the left side of the double-output-shaft motor and a water filling pump assembly arranged on the right side of the double-output-shaft motor, wherein the water filling pump assembly is used for filling water into a liquid outlet pipe of the water pump assembly before the water pump assembly is started; be equipped with left shaft coupling subassembly between the left pivot of water pump assembly and the left axle of dual output shaft motor, be equipped with right shaft coupling subassembly between the right pivot of the pump assembly that irrigates and the right axle of dual output shaft motor, when dual output shaft motor forward rotation, left shaft coupling subassembly drives water pump assembly work through the left pivot, right shaft coupling subassembly does not drive the pump assembly work of watering, and when dual output shaft motor reverse rotation, the water pump assembly work is not driven to the left shaft coupling subassembly, the pump assembly work of irrigating is driven through the right pivot to the right shaft coupling subassembly.
Further, the water pump assembly comprises a pump shell, a pump cavity is arranged in the pump shell, the pump shell is fixedly provided with a pump cover at an opening at the right end of the pump cavity, the left rotating shaft is rotatably connected in the pump cover, one end of the left rotating shaft, which extends into the pump cavity, is provided with an impeller, and the left rotating shaft drives the impeller to rotate when rotating; and a liquid inlet pipe and a liquid outlet pipe which are communicated with the pump cavity are arranged on the outer side of the pump shell.
Further, the irrigation pump assembly comprises a pump body, a rotary groove with an opening at the left side is formed in the pump body, and a cutting groove communicated with the rotary groove is formed in the upper end of the pump body; a valve block is rotationally connected in the rotary groove, and an end cover for preventing the valve block from separating from the rotary groove is fixedly arranged at the rotary groove on the left side of the pump body; a through sliding hole is formed in the valve block through the axis, a plunger is connected in the sliding hole in a sliding mode, a rotating ring is arranged at the upper end of the plunger, a rotating disc is connected in the rotating ring in a rotating mode, and the right rotating shaft is fixedly installed at the eccentric position of the rotating disc and used for driving the rotating disc to rotate; when the turntable rotates, the plunger is driven by the rotating ring to move up and down in the sliding hole, and simultaneously the plunger drives the valve block to rotate left and right in the rotary groove; a liquid inlet hole and a liquid outlet hole which are communicated with the rotary groove are arranged in the pump body; when the plunger moves upwards, the lower end of the sliding hole is communicated with the liquid inlet hole, when the plunger moves to the uppermost end, the lower end of the sliding hole is disconnected from the liquid inlet hole and the liquid outlet hole, when the plunger moves downwards, the lower end of the sliding hole is communicated with the liquid outlet hole, and when the plunger moves to the lowermost end, the lower end of the sliding hole is disconnected from the liquid inlet hole and the liquid outlet hole; and a pipe joint is fixedly installed at the outlet of the liquid outlet hole on the pump body, and a liquid conveying pipe communicated with the liquid outlet pipe of the water pump assembly is fixedly installed on the pipe joint.
Furthermore, the left shaft assembly comprises a left chuck, a left shaft groove is formed in the right end of the left rotating shaft, a left shaft sleeve is fixedly mounted on a left shaft of the double-output-shaft motor, and a left end face fluted disc extending into the left shaft groove is formed in the left end of the left shaft sleeve; a plurality of left convex teeth are uniformly arranged on the left end surface of the left end surface fluted disc at intervals along the circumferential direction; the left convex teeth are provided with left inclined planes and left blocking surfaces; the left chuck is connected in the left coupling groove in a sliding mode along the axial direction of the left rotating shaft, a left limiting groove is formed in the outer side of the circumference of the left chuck along the axial direction of the left rotating shaft, and a left limiting block extending into the left limiting groove is fixedly installed on the side wall of the left coupling groove; a left clamping block extending into the space between the left convex teeth is arranged on the right side of the left chuck, and a left spring for forcing the left chuck to press the fluted disc on the left end surface is arranged in the left coupling groove; when the left shaft sleeve drives the left end face fluted disc to rotate in the forward direction, the left clamping block abuts against the left blocking face of the left convex tooth, and the left end face fluted disc drives the left chuck to rotate; when the left shaft sleeve drives the left end face fluted disc to rotate reversely, the left clamping block abuts against the left inclined plane of the left convex tooth, and the left end face fluted disc does not drive the left chuck to rotate.
Furthermore, the right coupling assembly comprises a right chuck, a right coupling groove is formed in the left end of the right rotating shaft, a right shaft sleeve is fixedly mounted on the right shaft of the double-output-shaft motor, and a right end face fluted disc extending into the right coupling groove is formed in the right end of the right shaft sleeve; a plurality of right convex teeth are uniformly arranged on the right end surface of the right end surface fluted disc at intervals along the circumferential direction; the right convex teeth are provided with right inclined planes and right blocking surfaces; the right chuck is connected in a right coupling groove in a sliding manner along the axial direction of the right rotating shaft, a right limiting groove is formed in the circumferential outer side of the right chuck along the axial direction of the right rotating shaft, and a right limiting block extending into the right limiting groove is fixedly installed on the side wall of the right coupling groove; a right clamping block extending into the space between the right convex teeth is arranged on the left side of the right chuck, and a right spring for forcing the right chuck to press the right end face fluted disc is arranged in the right coupling groove; when the right shaft sleeve drives the right end face fluted disc to rotate forwards, the right clamping block abuts against the right inclined plane of the right convex tooth, and the right end face fluted disc does not drive the right chuck to rotate; when the right shaft sleeve drives the right end face fluted disc to rotate reversely, the right clamping block abuts against the right blocking face of the right convex tooth, and the right end face fluted disc drives the right chuck to rotate.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
the invention is provided with the irrigation pump assembly, the water pump assembly and the irrigation pump assembly are respectively connected with the left shaft and the right shaft of the double-output shaft motor, the irrigation pump assembly can be driven to work and the water pump assembly does not work by controlling the double-output shaft motor to rotate reversely, the liquid outlet pipe of the water pump assembly can be filled with water by utilizing the positive displacement principle of the irrigation pump assembly, and then the double-output shaft motor is controlled to rotate positively to drive the water pump assembly to work so as to stop the irrigation pump assembly, so that the irrigation of the water pump assembly can be conveniently realized, and the control is convenient and the efficiency is high.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIGS. 2-5 are schematic views of the operation of the irrigation pump assembly of the present invention;
FIG. 6 is a schematic three-dimensional view of the left chuck of the present invention;
FIG. 7 is a schematic view of a three-dimensional structure of a left chuck in cooperation with a left end face fluted disc in the present invention;
FIG. 8 is a schematic three-dimensional view of a right chuck according to the present invention;
FIG. 9 is a schematic three-dimensional structure of the right chuck and the right end face gear plate of the present invention;
FIG. 10 is an enlarged view of the structure at A in FIG. 1;
fig. 11 is an enlarged schematic view of a portion B in fig. 1.
Detailed Description
Referring to fig. 1-11, a centrifugal water pump comprises a dual output shaft motor 1, a water pump assembly disposed on the left side of the dual output shaft motor 1, and a water filling pump assembly disposed on the right side of the dual output shaft motor 1, wherein the water filling pump assembly is used for filling water into a liquid outlet pipe 22 of the water pump assembly before the water pump assembly is started; be equipped with left shaft assembly between water pump assembly's left pivot 5 and the left axle 11 of dual output shaft motor 1, be equipped with right shaft assembly between the right pivot 91 of the pump assembly that waters and the right axle 12 of dual output shaft motor 1, when dual output shaft motor 1 forward rotation, left shaft assembly drives water pump assembly work through left pivot 5, right shaft assembly does not drive the pump assembly work of watering, when dual output shaft motor 1 antiport, left shaft assembly does not drive the pump assembly work of watering, right shaft assembly drives the pump assembly work of watering through right pivot 91.
The water pump assembly comprises a pump shell 2, a pump cavity 2a is arranged in the pump shell 2, a pump cover 4 is fixedly installed at the opening of the right end of the pump cavity 2a of the pump shell 2, a left rotating shaft 5 is rotatably connected in the pump cover 4, an impeller 3 is arranged at one end, extending into the pump cavity 2a, of the left rotating shaft 5, and the impeller 3 is driven to rotate when the left rotating shaft 5 rotates; the outer side of the pump shell 2 is provided with a liquid inlet pipe 21 and a liquid outlet pipe 22 which are communicated with the pump cavity 2 a.
The irrigation pump assembly comprises a pump body 23, a rotary groove 25 with an opening at the left side is formed in the pump body 23, and a cutting groove 26 communicated with the rotary groove 25 is formed in the upper end of the pump body 23; the rotary groove 25 is rotatably connected with a valve block 102, and an end cover 24 for preventing the valve block 102 from separating from the rotary groove 25 is fixedly arranged at the rotary groove 25 on the left side of the pump body 23; a through sliding hole 1c is formed in the valve block 102 through the axis, a plunger 1011 is connected in the sliding hole 1c in a sliding manner, a rotating ring 101 is arranged at the upper end of the plunger 1011, a rotating disc 10 is rotatably connected in the rotating ring 101, and the right rotating shaft 91 is fixedly installed at the eccentric position of the rotating disc 10 and used for driving the rotating disc 10 to rotate; when the rotary disc 10 rotates, the plunger 1011 is driven by the rotary ring 101 to move up and down in the slide hole 1c, and simultaneously the plunger 1011 drives the valve block 102 to rotate left and right in the rotary groove 25; a liquid inlet hole 1a and a liquid outlet hole 1b communicated with the rotary groove 25 are arranged in the pump body 23; when the plunger 1011 moves upwards, the lower end of the sliding hole 1c is communicated with the liquid inlet hole 1a, when the plunger 1011 moves to the uppermost end, the lower end of the sliding hole 1c is disconnected from the liquid inlet hole 1a and the liquid outlet hole 1b, when the plunger 1011 moves downwards, the lower end of the sliding hole 1c is communicated with the liquid outlet hole 1b, and when the plunger 1011 moves to the lowermost end, the lower end of the sliding hole 1c is disconnected from the liquid inlet hole 1a and the liquid outlet hole 1 b; a pipe joint 1d is fixedly installed at an outlet of the liquid outlet hole 1b on the pump body 23, and a liquid conveying pipe 8 communicated with a liquid outlet pipe 22 of the water pump assembly is fixedly installed on the pipe joint 1 d.
The left coupling assembly comprises a left chuck 61, a left coupling groove 5a is formed in the right end of the left rotating shaft 5, a left shaft sleeve 11a is fixedly mounted on a left shaft 11 of the double-output-shaft motor 1, and a left end face fluted disc 11b extending into the left coupling groove 5a is formed in the left end of the left shaft sleeve 11 a; a plurality of left convex teeth 11c are uniformly arranged on the left end surface of the left end surface fluted disc 11b at intervals along the circumferential direction; the left convex teeth 11c are provided with left inclined planes 111 and left blocking planes 112; the left chuck 61 is connected in the left coupling groove 5a in a sliding manner along the axial direction of the left rotating shaft 5, a left limiting groove 62 is arranged on the outer side of the circumference of the left chuck 61 along the axial direction of the left rotating shaft 5, and a left limiting block 65 extending into the left limiting groove 62 is fixedly installed on the side wall of the left coupling groove 5 a; a left clamping block 63 extending into the space between the left convex teeth 11c is arranged on the right side of the left chuck 61, and a left spring 64 for forcing the left chuck 61 to press the left end face fluted disc 11b is arranged in the left coupling groove 5 a; when the left shaft sleeve 11a drives the left end face fluted disc 11b to rotate in the forward direction, the left clamping block 63 abuts against the left blocking face 112 of the left convex tooth 11c, and the left end face fluted disc 11b drives the left chuck 61 to rotate; when the left shaft sleeve 11a drives the left end face fluted disc 11b to rotate reversely, the left clamping block 63 abuts against the left inclined plane 111 of the left convex tooth 11c, and the left end face fluted disc 11b does not drive the left chuck 61 to rotate.
The right coupling assembly comprises a right chuck 71, a right coupling groove 9a is formed in the left end of the right rotating shaft 91, a right shaft sleeve 12a is fixedly mounted on a right shaft 12 of the dual-output-shaft motor 1, and a right end face fluted disc 12b extending into the right coupling groove 9a is formed in the right end of the right shaft sleeve 12 a; a plurality of right convex teeth 12c are uniformly arranged on the right end surface of the right end surface fluted disc 12b at intervals along the circumferential direction; the right convex teeth 12c are provided with right inclined planes 121 and right blocking planes 122; the right chuck 71 is connected in a right coupling groove 9a in a sliding manner along the axial direction of the right rotating shaft 91, a right limiting groove 72 is formed in the outer side of the circumference of the right chuck 71 along the axial direction of the right rotating shaft 91, and a right limiting block 75 extending into the right limiting groove 72 is fixedly mounted on the side wall of the right coupling groove 9 a; a right clamping block 73 extending into the space between the right convex teeth 12c is arranged on the left side of the right chuck 71, and a right spring 74 for forcing the right chuck 71 to press the right end face fluted disc 12b is arranged in the right coupling groove 9 a; when the right shaft sleeve 12a drives the right end face fluted disc 12b to rotate in the forward direction, the right fixture block 73 abuts against the right inclined plane 121 of the right convex tooth 12c, and the right end face fluted disc 12b does not drive the right chuck 71 to rotate; when the right shaft sleeve 12a drives the right end face toothed disc 12b to rotate reversely, the right clamping block 73 abuts against the right blocking face 122 of the right convex tooth 12c, and the right end face toothed disc 12b drives the right chuck 71 to rotate.
When the centrifugal water pump works, the double-output-shaft motor 1 is controlled to rotate reversely, and when the double-output-shaft motor 1 rotates reversely, on one hand, the left shaft 11 drives the left shaft sleeve 11a to rotate, the left shaft sleeve 11a drives the left end face fluted disc 11b to rotate, and when the left end face fluted disc 11b rotates, the left clamping block 63 props against the left inclined plane 111 of the left convex tooth 11c under the action of the left spring 64, so that the left end face fluted disc 11b cannot drive the left clamping disc 61 to rotate, and the water pump assembly does not work; on the other hand, the right shaft 12 drives the right shaft sleeve 12a to rotate, the right shaft sleeve 12a drives the right end face fluted disc 12b to rotate when rotating, when the right end face fluted disc 12b rotates, because the right fixture block 73 is abutted against the right blocking face 122 of the right convex tooth 12c under the action of the right spring 74, the right end face fluted disc 12b drives the right chuck 71 to rotate, the right chuck 71 drives the right rotating shaft 91 to rotate, the right rotating shaft 91 drives the turntable 10 to rotate, the turntable 10 drives the plunger 1011 to reciprocate up and down in the sliding hole 1c through the rotating ring 101 when rotating, meanwhile, the plunger 1011 drives the valve block 102 to reciprocate left and right in the rotating groove 25, when the plunger 1011 moves upwards, the valve block 102 drives the lower end of the sliding hole 1c to be communicated with the liquid inlet hole 1a, so as to complete liquid suction, when the plunger 1011 moves to the uppermost end, the valve block 102 drives the lower end of the sliding hole 1c to be disconnected with the liquid inlet hole 1a and the liquid outlet hole 1b, when the plunger 1011 moves downwards, the valve block 102 drives the lower end of the sliding hole 1c to be communicated with the liquid outlet hole 1b so as to complete liquid drainage, when the plunger 1011 moves to the lowest end, the valve block 102 drives the lower end of the sliding hole 1c to be disconnected from the liquid inlet hole 1a and the liquid outlet hole 1b so as to form circulation, and therefore water is poured into the liquid outlet pipe 22 of the water pump assembly through the water pouring pump assembly.
After the liquid outlet pipe 22 is filled with water, the dual-output-shaft motor 1 is controlled to rotate in the forward direction, and when the dual-output-shaft motor 1 rotates in the forward direction, on one hand, the right shaft 12 drives the right shaft sleeve 12a to rotate, the right shaft sleeve 12a drives the right end face fluted disc 12b to rotate when rotating, and when the right end face fluted disc 12b rotates, the right clamping block 73 abuts against the right inclined plane 121 of the right convex tooth 12c under the action of the right spring 74, so that the right end face fluted disc 12b cannot drive the right chuck 71 to rotate, and the irrigation pump assembly does not work; on the other hand, the left shaft 11 drives the left shaft sleeve 11a to rotate, the left shaft sleeve 11a drives the left end face fluted disc 11b to rotate when rotating, and when the left end face fluted disc 11b rotates, the left clamping block 63 abuts against the left blocking face 112 of the left convex tooth 11c under the action of the left spring 64, so that the left end face fluted disc 11b can drive the left chuck 61 to rotate, the left chuck 61 drives the left rotating shaft 5 to rotate, and the left rotating shaft 5 drives the impeller 3 to rotate, thereby realizing the water pump operation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A centrifugal water pump is characterized by comprising a double-output-shaft motor, a water pump assembly arranged on the left side of the double-output-shaft motor and a water filling pump assembly arranged on the right side of the double-output-shaft motor, wherein the water filling pump assembly is used for filling water into a liquid outlet pipe of the water pump assembly before the water pump assembly is started; a left coupling assembly is arranged between a left rotating shaft of the water pump assembly and a left shaft of the double-output-shaft motor, a right coupling assembly is arranged between a right rotating shaft of the irrigation pump assembly and a right shaft of the double-output-shaft motor, the left coupling assembly drives the water pump assembly to work through the left rotating shaft when the double-output-shaft motor rotates in the forward direction, the right coupling assembly does not drive the irrigation pump assembly to work, the left coupling assembly does not drive the water pump assembly to work when the double-output-shaft motor rotates in the reverse direction, and the right coupling assembly drives the irrigation pump assembly to work through the right rotating shaft;
the irrigation pump assembly comprises a pump body, a rotary groove with an opening at the left side is formed in the pump body, and a cutting groove communicated with the rotary groove is formed in the upper end of the pump body; a valve block is rotationally connected in the rotary groove, and an end cover for preventing the valve block from separating from the rotary groove is fixedly arranged at the rotary groove on the left side of the pump body; a through sliding hole is formed in the valve block through the axis, a plunger is connected in the sliding hole in a sliding mode, a rotating ring is arranged at the upper end of the plunger, a rotating disc is connected in the rotating ring in a rotating mode, and the right rotating shaft is fixedly installed at the eccentric position of the rotating disc and used for driving the rotating disc to rotate; when the turntable rotates, the plunger is driven by the rotating ring to move up and down in the sliding hole, and simultaneously the plunger drives the valve block to rotate left and right in the rotary groove; a liquid inlet hole and a liquid outlet hole which are communicated with the rotary groove are arranged in the pump body; when the plunger moves upwards, the lower end of the sliding hole is communicated with the liquid inlet hole, when the plunger moves to the uppermost end, the lower end of the sliding hole is disconnected from the liquid inlet hole and the liquid outlet hole, when the plunger moves downwards, the lower end of the sliding hole is communicated with the liquid outlet hole, and when the plunger moves to the lowermost end, the lower end of the sliding hole is disconnected from the liquid inlet hole and the liquid outlet hole; a pipe joint is fixedly installed at the outlet of the liquid outlet hole in the pump body, and a liquid conveying pipe communicated with the liquid outlet pipe of the water pump assembly is fixedly installed on the pipe joint; the right coupling assembly comprises a right chuck, a right coupling groove is formed in the left end of the right rotating shaft, a right shaft sleeve is fixedly mounted on a right shaft of the double-output-shaft motor, and a right end face fluted disc extending into the right coupling groove is formed in the right end of the right shaft sleeve; a plurality of right convex teeth are uniformly arranged on the right end surface of the right end surface fluted disc at intervals along the circumferential direction; the right convex teeth are provided with right inclined planes and right blocking surfaces; the right chuck is connected in a right coupling groove in a sliding manner along the axial direction of the right rotating shaft, a right limiting groove is formed in the circumferential outer side of the right chuck along the axial direction of the right rotating shaft, and a right limiting block extending into the right limiting groove is fixedly installed on the side wall of the right coupling groove; a right clamping block extending into the space between the right convex teeth is arranged on the left side of the right chuck, and a right spring for forcing the right chuck to press the right end face fluted disc is arranged in the right coupling groove; when the right shaft sleeve drives the right end face fluted disc to rotate forwards, the right clamping block abuts against the right inclined plane of the right convex tooth, and the right end face fluted disc does not drive the right chuck to rotate; when the right shaft sleeve drives the right end face fluted disc to rotate reversely, the right clamping block abuts against the right blocking face of the right convex tooth, and the right end face fluted disc drives the right chuck to rotate.
2. The centrifugal water pump according to claim 1, wherein the water pump assembly comprises a pump casing, a pump cavity is arranged in the pump casing, the pump casing is fixedly provided with a pump cover at a right end opening of the pump cavity, the left rotating shaft is rotatably connected in the pump cover, an impeller is arranged at one end of the left rotating shaft extending into the pump cavity, and the left rotating shaft drives the impeller to rotate when rotating; and a liquid inlet pipe and a liquid outlet pipe which are communicated with the pump cavity are arranged on the outer side of the pump shell.
3. The centrifugal water pump according to claim 1, wherein the left coupling assembly comprises a left chuck, a left coupling groove is formed in the right end of the left rotating shaft, a left shaft sleeve is fixedly mounted on a left shaft of the dual output shaft motor, and a left end face fluted disc extending into the left coupling groove is formed in the left end of the left shaft sleeve; a plurality of left convex teeth are uniformly arranged on the left end surface of the left end surface fluted disc at intervals along the circumferential direction; the left convex teeth are provided with left inclined planes and left blocking surfaces; the left chuck is connected in the left coupling groove in a sliding mode along the axial direction of the left rotating shaft, a left limiting groove is formed in the outer side of the circumference of the left chuck along the axial direction of the left rotating shaft, and a left limiting block extending into the left limiting groove is fixedly installed on the side wall of the left coupling groove; a left clamping block extending into the space between the left convex teeth is arranged on the right side of the left chuck, and a left spring for forcing the left chuck to press the fluted disc on the left end surface is arranged in the left coupling groove; when the left shaft sleeve drives the left end face fluted disc to rotate in the forward direction, the left clamping block abuts against the left blocking face of the left convex tooth, and the left end face fluted disc drives the left chuck to rotate; when the left shaft sleeve drives the left end face fluted disc to rotate reversely, the left clamping block abuts against the left inclined plane of the left convex tooth, and the left end face fluted disc does not drive the left chuck to rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890524.8A CN111946627B (en) | 2020-08-29 | 2020-08-29 | Centrifugal water pump |
| PCT/CN2021/111405 WO2022042272A1 (en) | 2020-08-29 | 2021-08-09 | Centrifugal water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890524.8A CN111946627B (en) | 2020-08-29 | 2020-08-29 | Centrifugal water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111946627A CN111946627A (en) | 2020-11-17 |
| CN111946627B true CN111946627B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010890524.8A Active CN111946627B (en) | 2020-08-29 | 2020-08-29 | Centrifugal water pump |
Country Status (2)
| Country | Link |
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| CN (1) | CN111946627B (en) |
| WO (1) | WO2022042272A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946627B (en) * | 2020-08-29 | 2021-09-21 | 浙江乐蛙泵业有限公司 | Centrifugal water pump |
| CN112855558B (en) * | 2021-01-26 | 2022-11-08 | 浙江扬子江泵业有限公司 | Self-starting centrifugal water pump |
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| US6409478B1 (en) * | 1999-02-26 | 2002-06-25 | Roper Holdings, Inc. | Vacuum-assisted pump |
| CN2764968Y (en) * | 2005-02-18 | 2006-03-15 | 大连四方佳特流体设备有限公司 | Breath type power canned pump |
| US9587641B2 (en) * | 2012-04-11 | 2017-03-07 | Waterous Company | Integrated reciprocating primer drive arrangement |
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| CN106030143B (en) * | 2014-02-28 | 2018-04-24 | 麦格纳动力系有限公司 | Selectable one-way clutch device |
| CN106122038B (en) * | 2016-02-05 | 2018-06-19 | 河北辉泓拓节能环保科技有限公司 | A kind of centrifugal water pump |
| CN208311059U (en) * | 2018-06-08 | 2019-01-01 | 安徽阿莫斯泵业有限公司 | Vacuum aided self priming pump |
| CN109236665A (en) * | 2018-12-06 | 2019-01-18 | 张新丰 | A kind of band air extractor centrifugal pump |
| CN110259696B (en) * | 2019-08-03 | 2020-09-15 | 日照市永和泵业有限公司 | Centrifugal water pump |
| CN110397603B (en) * | 2019-08-03 | 2020-09-15 | 绍兴柯桥春生水务科技有限公司 | Water pump |
| CN111946627B (en) * | 2020-08-29 | 2021-09-21 | 浙江乐蛙泵业有限公司 | Centrifugal water pump |
-
2020
- 2020-08-29 CN CN202010890524.8A patent/CN111946627B/en active Active
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2021
- 2021-08-09 WO PCT/CN2021/111405 patent/WO2022042272A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN111946627A (en) | 2020-11-17 |
| WO2022042272A1 (en) | 2022-03-03 |
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Effective date of registration: 20210902 Address after: 317500 qianwayu village, Daxi Town, Wenling City, Taizhou City, Zhejiang Province Applicant after: Zhejiang lelao Pump Co.,Ltd. Address before: Building J, micron Industrial Park, No.1, Tangwei TANGMING Road, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Duan Jingsheng |
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Denomination of invention: A centrifugal water pump Effective date of registration: 20211202 Granted publication date: 20210921 Pledgee: Taizhou Wenling small and micro enterprise exclusive sub branch of Jinhua Bank Co., Ltd Pledgor: Zhejiang lelao Pump Co.,Ltd. Registration number: Y2021330002451 |